CVE-2025-40031
tee: fix register_shm_helper()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: tee: fix register_shm_helper() In register_shm_helper(), fix incorrect error handling for a call to iov_iter_extract_pages(). A case is missing for when iov_iter_extract_pages() only got some pages and return a number larger than 0, but not the requested amount. This fixes a possible NULL pointer dereference following a bad input from ioctl(TEE_IOC_SHM_REGISTER) where parts of the buffer isn't mapped.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 28, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
7bdee41575919773818e525ea19e54eb817770af < 9338093db954918558677a468d32e77041c65167 7bdee41575919773818e525ea19e54eb817770af < 6a7874ab814ce12003c46a92f7afc9b035c8e8e9 7bdee41575919773818e525ea19e54eb817770af < d5cf5b37064b1699d946e8b7ab4ac7d7d101814c
Linux / Linux
6.8